Bye-altar

A side-altar or bye-altar is an altar that is subordinate to the central or high altar in a church. The term is generally applied to altars that are situated in the bay or bays of the nave, transepts, etc. Side-altars may be recessed in a side-chapel, or against a main aisle wall.

 This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "". Catholic Encyclopedia. New York: Robert Appleton. 

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